Elasticsearch kNN
by Elastic · freemium · Last verified 2026-04-24
Elasticsearch's kNN search feature adds approximate nearest-neighbor vector search to the widely-adopted Elasticsearch platform. It enables hybrid BM25 + semantic search within existing Elasticsearch deployments, making it the natural vector search path for teams already using the ELK stack for search and analytics.
https://www.elastic.co/guide/en/elasticsearch/reference/current/knn-search.html ↗D
D—Poor
Adoption: C+Quality: B+Freshness: ACitations: FEngagement: F
Specifications
- License
- Proprietary
- Pricing
- freemium
- Capabilities
- Integrations
- Use Cases
- API Available
- No
- SDK Languages
- Tags
- vector-db, elasticsearch, hybrid-search, knn, elk-stack, enterprise
- Added
- 2026-04-24
- Completeness
- 73%
Index Score
34Adoption
50
Quality
70
Freshness
80
Citations
0
Engagement
0